50 Years of Solar System Exploration: Historical Perspectives By Billings, Linda Books / Hardcover Nature › Space Publisher: National Aeronautics And Space Administration, January 2021 Price $27.03 Free Shipping Send to a friend Collectible - Very Good First Edition With Dust Jacket First edition copy. Collectible - Very Good. Very Good dust jacket. (planets, exploration, space flight, history, conference papers and proceedings) [ISBN 9781626830530] $27.03 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.